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22.1
Engine
Design
Displacement
Stroke
Bore
Compression ratio
Control
Intake valve diameter
Exhaust valve diameter
Valve clearance, intake, cold
Valve clearance, exhaust valve, cold
Crankshaft bearing
Conrod bearing
Pistons
Piston rings
Engine lubrication
Primary transmission
Clutch
Transmission
TECHNICAL DATA 22
1-cylinder 4-stroke engine, water-cooled
373 cm³ (22.76 cu in)
60 mm (2.36 in)
89 mm (3.5 in)
12.6:1
DOHC, 4 valves controlled via cam lever, chain drive
36 mm (1.42 in)
29 mm (1.14 in)
0.10 ... 0.15 mm (0.0039 ... 0.0059 in)
0.15 ... 0.20 mm (0.0059 ... 0.0079 in)
2 slide bearings
Sleeve bearing
Forged light alloy
1 compression ring, 1 tapered compression piston
ring, 1 oil scraper ring
Pressure circulation lubrication with 2 trochoidal
pumps
30:80
Slipper clutch in oil bath/mechanically operated
6-gear transmission, claw shifted
235
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